<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>NetCTOSS</title>
		<style type="text/css">
			/*div{
				border: 1px solid red;
			}*/
			.bgimage img{
				width: 100%;
				height: 100%;
			}
			.tex{
				width: 1070px;
				height: 50px;
				position: absolute;
				top:780px;
				left: 550px;
			}
		</style>
		<script type="text/javascript">
			onload = function() {	
				timer = setInterval("timecount()",1000);
			}
			var i = 4;
			function timecount(){	
				if (i>=0){
					document.getElementById("nubcount").innerHTML = i;	
					i--;
				}
				else {
					window.open("02作业test.html");
					clearInterval(timer);
					i = 0;
				}	
			}
			
		</script>
	</head>
	<body>
		<form action="#" method="get">
			<div class="bgimage">
				<img src="../img/error.png"/>
			</div>
			<div class="tex"><font size="6" color="white">遇到错误,</font>
				<font size="6" color="yellow" id="nubcount">5</font>
				<font size="6" color="white">秒后将自动跳转，立即跳转请点击</font>
				<a href="02作业test.html" target="_blank" onclick="clearInterval(timer)"><font size="6" color="yellow" style=""><u>返回</u></font></a>
			</div>
		</form>
	</body>
</html>
